AS13 160.140.120.0/21 CIDR and IP Range Summary.ASN: 13 - Headquarters USAISCHost Count: 2046Addressable IPs: 2048160.140.120.0/24160.140.121.0/24160.140.122.0/24160.140.123.0/24160.140.124.0/24160.140.125.0/24160.140.126.0/24160.140.127.0/24